Uploaded February 2026 | Updated September 2026, 3 weeks ago

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Air Quality v1.1 an integrated, low-power air quality monitoring device featuring the multi-functional SEN55 air quality sensor and SCD40 CO₂ sensor. It monitors particulate matter concentration (PM1.0, PM2.5, PM4, PM10), temperature, humidity, VOCs, and CO₂ concentrations. This tutorial shows how to integrate the device into Home Assistant.